.b_lookimages{
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    background-color: #333333;
    &__item{
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        width: 690px;
        height: 75vh;
        vertical-align: middle;
    }
}